Lettuce, cos or romaine, raw
Vegetables and Vegetable ProductsFDC ID 327923Published 2019-04-01
17 KCAL
Energy (per 100g)
1.24 G
Protein (per 100g)
0.26 G
Total lipid (fat) (per 100g)
3.24 G
Carbohydrate, by difference (per 100g)
How this was measured
This value is aggregated from 73 market samples acquired between Jan 28, 2001 and Dec 2, 2009, from AL, AR, CA, CO, CT, FL and 12 more.
68 nutrients were lab-analyzed rather than calculated. Recognized analytical techniques for each:
- WaterForced air, HPLC
- NitrogenCombustion, Kjeldahl
- Total lipid (fat)Acid hydrolysis, Base hydrolysis
- AshGravimetric
- Fiber, total dietaryEnzymatic-gravimetric, Enzymatic-Gravimetric-LC
- Fiber, solubleEnzymatic-gravimetric, Enzymatic/gravimetric
62 more nutrients
- Fiber, insolubleEnzymatic-gravimetric
- SucroseGC, HPLC
- GlucoseGC, HPLC
- FructoseGC, HPLC
- LactoseGC, HPLC
- MaltoseGC, HPLC
- GalactoseGC, HPLC
- StarchEnzymatic-colorimetric, Enzymatic-spectrometric
- Calcium, CaAAS, ICP
- Iron, FeAAS, ICP
- Magnesium, MgAAS, ICP
- Phosphorus, PColorimetric, ICP
- Potassium, KAAS, AES
- Zinc, ZnAAS, ICP
- Copper, CuAAS, ICP
- Manganese, MnAAS, ICP
- Selenium, SeAAS, Hydride generation
- Vitamin C, total ascorbic acidHPLC, Microfluorometric
- ThiaminFluorometric, HPLC
- RiboflavinFluorometric, HPLC
- NiacinColorimetric, HPLC
- Pantothenic acidHPLC, Microbiological
- Vitamin B-6HPLC-fluorimetric, LC
- Folate, totalMicrobiological, Single Enzyme
- Carotene, betaHPLC
- Carotene, alphaHPLC
- Cryptoxanthin, betaHPLC
- LycopeneHPLC
- Lutein + zeaxanthinHPLC
- PhytoeneHPLC
- PhytoflueneHPLC
- Vitamin E (alpha-tocopherol)GC, HPLC
- Tocopherol, betaHPLC
- Tocopherol, gammaHPLC
- Tocopherol, deltaHPLC
- Tocotrienol, alphaHPLC
- Tocotrienol, betaHPLC
- Tocotrienol, gammaHPLC
- Tocotrienol, deltaHPLC
- Vitamin K (phylloquinone)HPLC
- Vitamin K (Dihydrophylloquinone)HPLC
- TryptophanAcid hydrolysis/IC, Alk. hydrolysis-HPLC
- ThreonineAcid hydrolysis-HPLC, Acid hydrolysis/ Performic acid
- IsoleucineAcid hydrolysis-HPLC, Acid hydrolysis/ Performic acid
- LeucineAcid Hydrolysis-HPLC, Acid hydrolysis/ Performic acid
- LysineAcid hydrolysis-HPLC, Acid hydrolysis/ Performic acid
- MethionineAcid hydrolysis-HPLC, Acid hydrolysis/ Performic acid
- CystineAcid hydrolysis-HPLC, Acid hydrolysis/ Performic acid
- PhenylalanineAcid hydrolysis-HPLC, Acid hydrolysis/ Performic acid
- TyrosineAcid hydrolysis-HPLC, Acid hydrolysis/IC
- ValineAcid Hydrolysis-HPLC, Acid hydrolysis/ Performic acid
- ArginineAcid Hydrolysis-HPLC, Acid hydrolysis/ Performic acid
- HistidineAcid hydrolysis-HPLC, Acid hydrolysis/ Performic acid
- AlanineAcid Hydrolysis-HPLC, Acid hydrolysis/ Performic acid
- Aspartic acidAcid Hydrolysis-HPLC, Acid hydrolysis/ Performic acid
- Glutamic acidAcid hydrolysis-HPLC, Acid hydrolysis/ Performic acid
- GlycineAcid hydrolysis-HPLC, Acid hydrolysis/ Performic acid
- ProlineAcid Hydrolysis-HPLC, Acid hydrolysis/ Performic acid
- SerineAcid hydrolysis-HPLC, Acid hydrolysis/ Performic acid
- 10-Formyl folic acid (10HCOFA)Tri-enzyme Extraction
- 5-Formyltetrahydrofolic acid (5-HCOH4Tri-enzyme Extraction
- 5-methyl tetrahydrofolate (5-MTHF)Tri-enzyme Extraction
Notably high in
Lettuce, cos or romaine, raw ranks in the top 10% of USDA Foundation Foods for these nutrients.
- Carotene, beta5,230 UG / 100g·foods high in Carotene, beta →
- Vitamin A, RAE436 UG / 100g·foods high in Vitamin A, RAE →
- Water94.7 G / 100g·foods high in Water →
- Vitamin K (phylloquinone)102 UG / 100g·foods high in Vitamin K (phylloquinone) →
Nutrients (60)
| Nutrient | Amount / 100g | Unit | Derivation |
|---|---|---|---|
| Water | 94.7 | G | Analytical |
| Energy | 17 | KCAL | Calculated |
| Energy | 70 | kJ | Calculated |
| Nitrogen | 0.2 | G | Analytical |
| Protein | 1.24 | G | Calculated |
| Total lipid (fat) | 0.26 | G | Analytical |
| Ash | 0.55 | G | Analytical |
| Carbohydrate, by difference | 3.24 | G | Calculated |
| Carbohydrate, by summation | 3 | G | Summed |
| Fiber, total dietary | 1.8 | G | Analytical |
| Fiber, soluble | 0.1 | G | Analytical |
| Fiber, insoluble | 1.7 | G | Analytical |
| Sugars, Total NLEA | 1.19 | G | Summed |
| Glucose | 0.39 | G | Analytical |
| Fructose | 0.8 | G | Analytical |
| Calcium, Ca | 35 | MG | Analytical |
| Iron, Fe | 0.95 | MG | Analytical |
| Magnesium, Mg | 13.7 | MG | Analytical |
| Phosphorus, P | 30 | MG | Analytical |
| Potassium, K | 253 | MG | Analytical |
| Zinc, Zn | 0.25 | MG | Analytical |
| Copper, Cu | 0.048 | MG | Analytical |
| Manganese, Mn | 0.127 | MG | Analytical |
| Selenium, Se | 0.4 | UG | Analytical |
| Vitamin C, total ascorbic acid | 4.6 | MG | Analytical |
| Thiamin | 0.079 | MG | Analytical |
| Riboflavin | 0.072 | MG | Analytical |
| Niacin | 0.323 | MG | Analytical |
| Pantothenic acid | 0.145 | MG | Analytical |
| Vitamin B-6 | 0.078 | MG | Analytical |
| Folate, total | 50 | UG | Analytical |
| Vitamin A, RAE | 436 | UG | Calculated |
| Carotene, beta | 5,230 | UG | Analytical |
| Lutein + zeaxanthin | 2,310 | UG | Analytical |
| Vitamin E (alpha-tocopherol) | 0.14 | MG | Analytical |
| Tocopherol, gamma | 0.32 | MG | Analytical |
| Tocopherol, delta | 0.01 | MG | Analytical |
| Tocotrienol, alpha | 0.03 | MG | Analytical |
| Vitamin K (phylloquinone) | 102 | UG | Analytical |
| Tryptophan | 0.011 | G | Analytical |
| Threonine | 0.044 | G | Analytical |
| Isoleucine | 0.045 | G | Analytical |
| Leucine | 0.076 | G | Analytical |
| Lysine | 0.064 | G | Analytical |
| Methionine | 0.014 | G | Analytical |
| Cystine | 0.006 | G | Analytical |
| Phenylalanine | 0.066 | G | Analytical |
| Tyrosine | 0.024 | G | Analytical |
| Valine | 0.055 | G | Analytical |
| Arginine | 0.054 | G | Analytical |
| Histidine | 0.021 | G | Analytical |
| Alanine | 0.056 | G | Analytical |
| Aspartic acid | 0.14 | G | Analytical |
| Glutamic acid | 0.179 | G | Analytical |
| Glycine | 0.049 | G | Analytical |
| Proline | 0.045 | G | Analytical |
| Serine | 0.05 | G | Analytical |
| 10-Formyl folic acid (10HCOFA) | 9 | UG | Analytical |
| 5-Formyltetrahydrofolic acid (5-HCOH4 | 5 | UG | Analytical |
| 5-methyl tetrahydrofolate (5-MTHF) | 40 | UG | Analytical |
Measures / Portions
| Amount | Unit | Description | Gram weight |
|---|---|---|---|
| 1 | bunch | — | 581 g |
Samples analyzed (14)
- Lettuce, Romaine, fresh (FL1,MO1) - CY09070
- Lettuce, Romaine, fresh (MI1,OK1) - CY09071
- Lettuce, Romaine, fresh (AL1,CA1) - CY0906X
- Lettuce, Romaine, fresh (IN1,NY1) - CY0906W
- Lettuce, Romaine, fresh (CA2,NC1) - CY0906Y
- Lettuce, Romaine, fresh (CO2,CT1) - CY0906Z
- Romaine Lettuce, Pass 2, Pure Composite, CY01085
- Romaine Lettuce, Pass 2, Pure Composite, CY01084
- Romaine Lettuce, Pass 2, Pure Composite, CY01082
- Romaine Lettuce, Pass 2, Pure Composite, CY01083
- Romaine Lettuce, Region 1, Pure Composite, CY0104V
- Romaine Lettuce, Region 2, Pure Composite, CY0104W
- Romaine Lettuce, Region 3, Pure Composite, CY0104X
- Romaine Lettuce, Region 4, Pure Composite, CY0104Y
Last verified against USDA FoodData Central — Foundation Foods.
USDA release 2026-04-30. All values are per 100 g unless stated otherwise.